Home / 83,448.42-125,171.47-20,269

Finding the Fourth Proportional to 83,448.42, 125,171.47 and 20,269

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Solution

The fourth proportional to 83,448.42, 125,171.47 and 20,269 is: 30,403.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,448.42 : 125,171.47 = 20,269 : x
  2. Step 2: Convert to fraction form
    83,448.42/125,171.47 = 20,269/x
  3. Step 3: Cross multiply
    83,448.42x = 125,171.47 × 20,269
  4. Step 4: Simplify right side
    83,448.42x = 2,537,100,525.43
  5. Step 5: Solve for x
    x = 2,537,100,525.43/83,448.42
  6. Step 6: Final answer
    x = 30,403.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.